Baltimore (MD)
September
Weather in Baltimore, Maryland for September 2027
Your guide to Baltimore weather in September - trends and predictions
In general, the average temperature in Baltimore at the beginning of September is 29.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.5 °C by the end of September.
The climate of Baltimore in September is notably wet, with an average of 12 rainy days, and a total of 259.9 mm of precipitation.
Is September a good time to visit Baltimore? check out the best time to travel to Baltimore page.
✨ Is September a good time to visit Baltimore? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
26°/18°
Temperatures
16 km/h
Avg max wind
69 %
Avg humidity
Baltimore Weather September
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Temperatures trend during September in Baltimore
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September weather in Baltimore day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 30° /20° | 1.2 mm | 7 | |
| Sept. 2 |  Moderate rain | 28° /19° | 18.1 mm | 6 | |
| Sept. 3 |  Sunny | 30° /18° | 0.3 mm | 6 | |
| Sept. 4 |  Light rain | 32° /20° | 5.1 mm | 7 | |
| Sept. 5 | Light rain | 32° /21° | 4.8 mm | 8 | |
| Sept. 6 |  Heavy rain | 30° /20° | 31.2 mm | 7 | |
| Sept. 7 | Moderate rain | 28° /18° | 11 mm | 7 | |
| Sept. 8 | Patchy rain possible | 28° /15° | 1.5 mm | 7 | |
| Sept. 9 | Patchy rain possible | 28° /17° | 1.9 mm | 7 | |
| Sept. 10 | Light rain | 28° /19° | 3.9 mm | 5 | |
| Sept. 11 | Patchy rain possible | 28° /19° | 0.7 mm | 6 | |
| Sept. 12 |  Mist | 28° /18° | 0.7 mm | 6 | |
| Sept. 13 | Light rain | 27° /19° | 4.5 mm | 5 | |
| Sept. 14 |  Partly cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 15 | Sunny | 27° /16° | 0.7 mm | 7 | |
| Sept. 16 | Patchy rain possible | 25° /16° | 2 mm | 6 | |
| Sept. 17 | Heavy rain | 22° /17° | 15.4 mm | 5 | |
| Sept. 18 | Moderate rain | 26° /19° | 14.8 mm | 6 | |
| Sept. 19 | Light rain | 26° /16° | 9.6 mm | 6.9 | |
| Sept. 20 | Light rain | 24° /17° | 4.4 mm | 5 | |
| Sept. 21 | Moderate rain | 24° /18° | 22.9 mm | 5 | |
| Sept. 22 | Light rain | 22° /16° | 6.5 mm | 4 | |
| Sept. 23 | Heavy rain | 22° /16° | 22.1 mm | 4 | |
| Sept. 24 | Heavy rain | 21° /16° | 37.2 mm | 4 | |
| Sept. 25 | Moderate rain | 22° /16° | 12 mm | 4 | |
| Sept. 26 | Light rain | 21° /18° | 6.1 mm | 4 | |
| Sept. 27 | Moderate rain | 21° /16° | 11.6 mm | 4 | |
| Sept. 28 | Light rain | 20° /16° | 5.5 mm | 4 | |
| Sept. 29 |  Moderate or heavy rain with thunder | 22° /17° | 3.9 mm | 4 | |
| Sept. 30 |  Overcast | 23° /17° | 0.1 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Baltimore in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Baltimore forecast closer to your planned date for the most up-to-date weather information.
Change Month
Baltimore in September - FAQ
What are the expected maximum and minimum temperatures in Baltimore during September?
During September, expect a variety of temperatures with highs around 26° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Baltimore during September?
Significant rainfall exceeding 259.9 mm is expected in Baltimore during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Baltimore during September?
The average wind speed in Baltimore during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Baltimore
Explore the daily rainfall trends and prepare for Baltimores September weather 💧
Typically, Baltimore has 12 rainy days in September with a total of 259.9 mm of rainfall.
UV exposure in Baltimore during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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